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Update content/en/docs/concepts/services-networking/dual-stack.md

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Clarifying how to disable the dual-stack feature when necessary.

Co-authored-by: Qiming Teng <tengqm@outlook.com>
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Bridget Kromhout
2021-03-03 21:14:07 -06:00
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commit d8aa7224dd
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@@ -63,7 +63,9 @@ An example of an IPv4 CIDR: `10.244.0.0/16` (though you would supply your own ad
An example of an IPv6 CIDR: `fdXY:IJKL:MNOP:15::/64` (this shows the format but is not a valid address - see [RFC 4193](https://tools.ietf.org/html/rfc4193))
Starting in 1.21, IPv4/IPv6 dual-stack defaults to true. Disable if necessary on kube-apiserver, kube-controller-manager, kubelet, and kube-proxy with `--feature-gates="IPv6DualStack=false"`.
Starting in 1.21, IPv4/IPv6 dual-stack defaults to true.
You can disable it when necessary by specifying `--feature-gates="IPv6DualStack=false"`
on the kube-apiserver, kube-controller-manager, kubelet, and kube-proxy command line.
{{< /note >}}
## Services